15 Statistics
Interactive practice questions
For each of the following decide whether the statements are true or false.
a
Two sets of data have the same highest and lowest values. This means they must have the same mode.
True
A
False
B
b
Two sets of data that have the same highest and lowest values must have the same mean.
True
A
False
B
Easy
< 1min
For each of the following statements, decide whether they are true or false:
Easy
< 1min
Consider this set of data:
$0,1,1,1,2,3,4,4,7,8,8,9,9$0,1,1,1,2,3,4,4,7,8,8,9,9
If one score of $4$4 is changed to $1$1, which two measures of centre would be affected?
Easy
< 1min
Consider this set of data that represents the number of apps on six people’s phones:
$12,13,20,21,23,25$12,13,20,21,23,25
If each person adds another $7$7 apps, which measures of centre would be affected?
Medium
< 1min
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